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Small Extracellular Vesicles and Oxidative Pathophysiological Mechanisms in Retinal Degenerative Diseases
Francisco J Romero1, Manuel Diaz-Llopis2, M Inmaculada Romero-Gomez3
1Hospital General de Requena, Conselleria de Sanitat, Generalitat Valenciana, 46340 Requena, Spain.
International Journal of Molecular Sciences
|February 10, 2024
Summary
Small extracellular vesicles play a key role in retinal degenerative diseases by influencing oxidative stress and angiogenesis. Their cargo and release are affected by cellular conditions, impacting vision loss in conditions like diabetic retinopathy.
Area of Science:
- Ophthalmology
- Cell Biology
- Biochemistry
Background:
- Retinal degenerative diseases involve complex pathophysiological mechanisms.
- Oxidative stress significantly impacts retinal cell function and disease progression.
- Cellular communication via extracellular vesicles is crucial in retinal homeostasis.
Purpose of the Study:
- To review the role of small extracellular vesicles (sEVs) in retinal degenerative diseases.
- To explore how sEVs modulate oxidative burden and cellular communication in the retina.
- To discuss the involvement of sEVs and microRNAs in retinal neovascularization.
Main Methods:
- Literature review of studies on extracellular vesicles, oxidative stress, and retinal diseases.
- Analysis of mechanisms involving sEV release, cargo, and cellular uptake.
- Examination of the role of microRNAs in retinal angiogenesis mediated by sEVs.
Main Results:
- sEVs are implicated in the pathophysiological mechanisms of retinal degenerative diseases.
- The release and cargo of sEVs can be influenced by cellular oxidative stress and autophagy.
- sEVs and their microRNA cargo are involved in regulating retinal angiogenesis, a key factor in vision loss.
Conclusions:
- sEVs are critical mediators in retinal degenerative diseases, affecting oxidative stress and angiogenesis.
- Dysregulation of sEVs contributes to pathological neovascularization, leading to vision impairment.
- sEVs and their microRNA content hold potential as biomarkers and therapeutic targets for retinal diseases.
